1139825Simp/*- 286232Stmm * Copyright (c) 1999, 2000 Matthew R. Green 386232Stmm * All rights reserved. 486232Stmm * 586232Stmm * Redistribution and use in source and binary forms, with or without 686232Stmm * modification, are permitted provided that the following conditions 786232Stmm * are met: 886232Stmm * 1. Redistributions of source code must retain the above copyright 986232Stmm * notice, this list of conditions and the following disclaimer. 1086232Stmm * 2. Redistributions in binary form must reproduce the above copyright 1186232Stmm * notice, this list of conditions and the following disclaimer in the 1286232Stmm * documentation and/or other materials provided with the distribution. 1386232Stmm * 3. The name of the author may not be used to endorse or promote products 1486232Stmm * derived from this software without specific prior written permission. 1586232Stmm * 1686232Stmm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1786232Stmm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1886232Stmm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1986232Stmm * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2086232Stmm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 2186232Stmm * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 2286232Stmm * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 2386232Stmm * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 2486232Stmm * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2586232Stmm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2686232Stmm * SUCH DAMAGE. 2786232Stmm * 28219567Smarius * from: NetBSD: ebus.c,v 1.52 2008/05/29 14:51:26 mrg Exp 2986232Stmm */ 30219567Smarius/*- 31219567Smarius * Copyright (c) 2001, 2003 Thomas Moestl <tmm@FreeBSD.org> 32219567Smarius * All rights reserved. 33219567Smarius * 34219567Smarius * Redistribution and use in source and binary forms, with or without 35219567Smarius * modification, are permitted provided that the following conditions 36219567Smarius * are met: 37219567Smarius * 1. Redistributions of source code must retain the above copyright 38219567Smarius * notice, this list of conditions and the following disclaimer. 39219567Smarius * 2. Redistributions in binary form must reproduce the above copyright 40219567Smarius * notice, this list of conditions and the following disclaimer in the 41219567Smarius * documentation and/or other materials provided with the distribution. 42219567Smarius * 3. The name of the author may not be used to endorse or promote products 43219567Smarius * derived from this software without specific prior written permission. 44219567Smarius * 45219567Smarius * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 46219567Smarius * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 47219567Smarius * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 48219567Smarius * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 49219567Smarius * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 50219567Smarius * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 51219567Smarius * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 52219567Smarius * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 53219567Smarius * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54219567Smarius * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55219567Smarius * SUCH DAMAGE. 56219567Smarius */ 5786232Stmm 58153057Smarius#include <sys/cdefs.h> 59153057Smarius__FBSDID("$FreeBSD$"); 60153057Smarius 6186232Stmm/* 6286232Stmm * Helper functions which can be used in both ISA and EBus code. 6386232Stmm */ 6486232Stmm 6586232Stmm#include <sys/param.h> 6691966Stmm#include <sys/systm.h> 6786232Stmm#include <sys/bus.h> 6886232Stmm 69190110Smarius#include <dev/ofw/ofw_bus_subr.h> 70119338Simp#include <dev/ofw/openfirm.h> 7186232Stmm 72117119Stmm#include <machine/bus.h> 7386232Stmm#include <machine/resource.h> 7486232Stmm 75117119Stmm#include <sparc64/pci/ofw_pci.h> 7686232Stmm#include <sparc64/isa/ofw_isa.h> 7786232Stmm 78117119Stmm#include "pcib_if.h" 79117119Stmm 80128712Stmmint 81128712Stmmofw_isa_range_restype(struct isa_ranges *range) 82128712Stmm{ 83128712Stmm int ps = ISA_RANGE_PS(range); 84128712Stmm 85128712Stmm switch (ps) { 86153061Smarius case OFW_PCI_CS_IO: 87128712Stmm return (SYS_RES_IOPORT); 88153061Smarius case OFW_PCI_CS_MEM32: 89128712Stmm return (SYS_RES_MEMORY); 90128712Stmm default: 91128712Stmm panic("ofw_isa_range_restype: illegal space %x", ps); 92128712Stmm } 93128712Stmm 94128712Stmm} 95128712Stmm 9686232Stmm/* XXX: this only supports PCI as parent bus right now. */ 9786232Stmmint 98128712Stmmofw_isa_range_map(struct isa_ranges *range, int nrange, u_long *start, 99128712Stmm u_long *end, int *which) 10086232Stmm{ 101128712Stmm struct isa_ranges *r; 102153057Smarius uint64_t offs, cstart, cend; 10386232Stmm int i; 10486232Stmm 10586232Stmm for (i = 0; i < nrange; i++) { 106128712Stmm r = &range[i]; 107128712Stmm cstart = ISA_RANGE_CHILD(r); 108200880Smarius cend = cstart + r->size - 1; 10986232Stmm if (*start < cstart || *start > cend) 11086232Stmm continue; 11186232Stmm if (*end < cstart || *end > cend) { 112200880Smarius panic("ofw_isa_map_iorange: iorange crosses PCI " 11386232Stmm "ranges (%#lx not in %#lx - %#lx)", *end, cstart, 11486232Stmm cend); 11586232Stmm } 116128712Stmm offs = ISA_RANGE_PHYS(r); 11786232Stmm *start = *start + offs - cstart; 11886232Stmm *end = *end + offs - cstart; 119128712Stmm if (which != NULL) 120128712Stmm *which = i; 121128712Stmm return (ofw_isa_range_restype(r)); 12286232Stmm } 12386232Stmm panic("ofw_isa_map_iorange: could not map range %#lx - %#lx", 12486232Stmm *start, *end); 12586232Stmm} 126117119Stmm 127117119Stmmofw_pci_intr_t 128117119Stmmofw_isa_route_intr(device_t bridge, phandle_t node, struct ofw_bus_iinfo *ii, 129117119Stmm ofw_isa_intr_t intr) 130117119Stmm{ 131117119Stmm struct isa_regs reg; 132117119Stmm device_t pbridge; 133117119Stmm ofw_isa_intr_t mintr; 134117119Stmm 135117119Stmm pbridge = device_get_parent(device_get_parent(bridge)); 136117119Stmm /* 137117119Stmm * If we get a match from using the map, the resulting INO is 138117119Stmm * fully specified, so we may not continue to map. 139117119Stmm */ 140117119Stmm if (!ofw_bus_lookup_imap(node, ii, ®, sizeof(reg), 141259516Snwhitehorn &intr, sizeof(intr), &mintr, sizeof(mintr), NULL)) { 142117119Stmm /* Try routing at the parent bridge. */ 143117119Stmm mintr = PCIB_ROUTE_INTERRUPT(pbridge, bridge, intr); 144117119Stmm } 145117119Stmm return (mintr); 146117119Stmm} 147